450 Castlehill Dr, Walnut, CA 91789 Property Records

Los Angeles County property record for 450 Castlehill Dr, Walnut, CA 91789

Property Summary

Property Type	Single Family Home
Details	3 bd · 1 ba · 1,386 sqft · built 1950
Lot Size	0.332 acres (14,446 sqft)
Owner	2 Individual Names on Record
Last Sale	$539,500 (Nov 2016)
Tax Bill	$7,926 (2025)
Deeds & Mortgages	Jun 2026 Line of Credit Mar 2018 Line of Credit + 1 more
Flood Zone	Zone X (minimal risk)
APN	`8722-012-011`

Property Details

APN / Parcel Number

Primary APN	`8722-012-011`

Interior

Bedrooms	3 Beds
Full Baths	1 Bath
Total Rooms	7 Rooms
Stories	1 Story
Building Area	1,386 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1950
Effective Year Built	Effective 1954
Architectural Style	Conventional
Construction Type	Wood
Roof Type	Hip
Roof Material	Wood Shingle
Lot Area	14,446 sqft (0.332 acres)
Lot Dimensions	192 ft deep x 75 ft wide

Utilities, Heating & Cooling

Cooling System	Wall Unit
Heating System	Floor/Wall Furnace
Sewer	Septic
Water Source	Commercial

Location & Zoning

Street Address	450 CASTLEHILL DR
City	WALNUT
State	CA
Zip	91789-2621
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	WAR18500RU
Legal Description	TRACT # 8074 LOT COM AT MOST W COR OF LO T 201 TH S 33 24 E 75 FT TH N 52 28 46 E 192 FT TH N 33 24 W TO NW LINE OF S D LOT TH SW THEREON 192 FT TO BEG PART OF LOT 201
Legal Subdivision	8074
Legal Tract	8074
Legal Block	2
Legal Lot Number	201
Jurisdiction	LOS ANGELES CA
Township / Civil Division	EAST SAN GABRIEL VALLEY
Census Block Group	2
Census Block	2000
Census Tract	403401

Owner

Source: Los Angeles County records, as of August 25, 2026

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Owner of Record	2 Individual Names on Record
Mailing Address	450 CASTLEHILL DR, WALNUT, CA 91789-2621
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Jun 4, 2026	Deed of Trust, Mortgage · Line of Credit BMO HARRIS BANK
Mar 19, 2018	Deed of Trust, Mortgage · Line of Credit BANK OF THE WEST
Feb 6, 2017	Deed of Trust, Mortgage · Line of Credit BANK OF THE WEST

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Nov 16, 2016 · Amount on Record
Deed Sale	Nov 16, 2016 · Amount on Record
Prior Sale	Apr 22, 1994 · Amount on Record
Deed Document Number	20161434805
Prior Transfer Date	Oct 24, 2016
Prior Transfer Doc	0001434804
Record Updated	Oct 29, 2026

June 2026: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Recording Date	Jun 4, 2026
Property Address	450 CASTLEHILL DR, WALNUT, CA 91789-2621
Document Number	0000411861
Instrument Date	May 27, 2026
Instrument	2026411861
Transaction Type	Mortgage
Record Updated	Jul 12, 2026
Title Company	NONE LISTED ON DOCUMENT

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants, 205
Address	450 CASTLEHILL DR, WALNUT, CA 91789-2621
Investor	Possibly a Property Investor

Mortgage

Document Number	0000411861,
Date	Jun 4, 2026
Instrument	2026411861

Lender

Name	BMO HARRIS BANK

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	360 Months
Due	Jun 1, 2056

Interest

Rate	6.3%
Max Rate	-1%

March 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	450 CASTLEHILL DR, WALNUT, CA 91789-2621
Document Number	0000381834
Instrument Date	Mar 19, 2018
Transaction Type	Mortgage
Record Updated	Apr 30, 2018
Title Company	FIRST AMERICAN TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	450 CASTLEHILL DR WALNUT CA 917892621, WALNUT, CA 91789-2621

Mortgage

Document Number	0000381834
Date	Apr 20, 2018
Instrument	381834

Lender

Name	BANK OF THE WEST
Type	Bank
Address	MONTEREY PARK, CA 91754

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	360 Months
Due	Apr 19, 2048

Interest

Rate Type	Adjustable Rate

February 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	450 CASTLEHILL DR, WALNUT, CA 91789-2621
Document Number	0000179967
Instrument Date	Feb 6, 2017
Transaction Type	Mortgage
Record Updated	Feb 17, 2017
Title Company	FIRST AMERICAN TITLE, FIRST AMERICAN TITLE INSURANCE

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	450 CASTLEHILL DR WALNUT CA 917892621, WALNUT, CA 91789-2621

Mortgage

Document Number	0000179967
Date	Feb 14, 2017
Instrument	179967

Lender

Name	BANK OF THE WEST
Type	Bank
Address	MONTEREY PARK, CA 91754

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	360 Months
Due	Feb 13, 2047

Interest

Rate Type	Adjustable Rate

Tax Assessment & Valuation

Source: Los Angeles County assessment roll, as of August 25, 2026

Property Jurisdictions

Type	Name
State	California
County	Los Angeles County
Municipality	Walnut City
Unified School District	Walnut Valley Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$645,163 (+2%) Land $516,132 Building $129,031
2025	$7,926.00 (+8.01%)	$632,513 (+4.04%) Land $506,012 Building $126,501
2023	$7,338.00 (+2.13%)	$607,954 Land $486,364 Building $121,590
2022	$7,185.00

Assessed value is set for property tax purposes and is not a market price estimate.

Flood

Source: FEMA National Flood Hazard Layer, effective September 30, 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Low lower than 98% of the US · lower than 98.4% of California
Wildfire Likelihood	Under 0.01% annual chance
Exposure	None beyond ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	WALNUT VALLEY WATER DISTRICT serves 100,941 people · EPA ID CA1910234
Water Source	Purchased surface water from several systems
Last State Inspection	Jun 2023
Lead	Under 1 ppb (2022–2024) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 322 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Frontier Fiber	7,000 / 7,000
Spectrum Cable · Fiber in parts of the area	1,000 / 1,000
Starlink Satellite	280 / 30
T-Mobile Fixed Wireless	100 / 20

May also be available: GeoLinks, Verizon.

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